Rainbow is formed due to a combination of?

Could we see a galaxy that is 20 billion light-years away?

Acar starts from rest at a stop sign and reaches a velocity of 25 m/s w in 4 seconds. determine the acceleration of the car. question 3 options: a) 6,25 m/s2 b)6.25 m/s c)100 m/s2 d)100 m/s

Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.